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Light curve inversion of asteroid (585) Bilkis with Lommel-Seeliger ellipsoid method
Wang A(王翱)1,2,3; Wang XB(王晓彬)1,2; Muinonen, Karri4,5; Han, Xianming L.6; Wang YB(王夷博)1,2,3
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
2016-12-01
Volume16Issue:12Pages:1-8
DOI10.1088/1674-4527/16/12/180
Contribution Rank第1完成单位
Indexed BySCI
KeywordAsteroids Photometric Observation Spin Parameter Shape Mcmc Method
Abstract

The basic physical parameters of asteroids, such as spin parameters, shape and scattering parameters, can provide us with information on the formation and evolution of both the asteroids themselves and the entire solar system. In a majority of asteroids, the disk-integrated photometry measurement constitutes the primary source of the above knowledge. In the present paper, newly observed photometric data and existing data on (585) Bilkis are analyzed based on a Lommel-Seeliger ellipsoid model. With a Markov chain Monte Carlo (MCMC) method, we have determined the spin parameters (period, pole orientation) and shape (b/a, cla) of (585) Bilkis and their uncertainties. As a result, we obtained a rotational period of 8.5738209 h with an uncertainty of 9 x 10(-7) h, and derived a pole of (136.46 degrees, 29.0 degrees) in the ecliptic frame of J2000.0 with uncertainties of 0.67 degrees and 1.1 degrees in longitude and latitude respectively. We also derived triaxial ratios b/a and c/a of (585) Bilkis as 0.736 and 0.70 with uncertainties of 0.003 and 0.03 respectively.

Funding ProjectNational Natural Science Foundation of China[11073051] ; National Natural Science Foundation of China[11473066] ; Academy of Finland[1257966]
Funding OrganizationNational Natural Science Foundation of China[11073051, 11473066] ; Academy of Finland[1257966]
Language英语
Subject Area天文学 ; 恒星与银河系 ; 太阳与太阳系 ; 行星物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Publication Place20A DATUN RD, CHAOYANG, BEIJING, 100012, PEOPLES R CHINA
ISSN1674-4527
URL查看原文
Archive Date2017-03-15
WOS IDWOS:000391647000002
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/9906
Collection系外行星研究组
中国科学院天体结构与演化重点实验室
Corresponding AuthorWang XB(王晓彬)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
4.Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2a, P.O. Box 64, FI-00014 U. Helsinki, Finland
5.Finnish Geospatial Research Institute, Geodeetinrinne 2, FI-02430 Masala, Finland
6.Department of Physics and Astronomy, Butler University, Indianapolis, IN 46208, USA
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wang A,Wang XB,Muinonen, Karri,et al. Light curve inversion of asteroid (585) Bilkis with Lommel-Seeliger ellipsoid method[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2016,16(12):1-8.
APA Wang A,Wang XB,Muinonen, Karri,Han, Xianming L.,&Wang YB.(2016).Light curve inversion of asteroid (585) Bilkis with Lommel-Seeliger ellipsoid method.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,16(12),1-8.
MLA Wang A,et al."Light curve inversion of asteroid (585) Bilkis with Lommel-Seeliger ellipsoid method".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 16.12(2016):1-8.
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